Dependencies
$range = $k->range('foo_range')
->setTitle($this->t('Range'))
->setMinimum(0)
->setMaximum(10)
->setStep(2);
$range = $k->range('foo_range')
->setTitle($this->t('Range'))
->setMinimum(0)
->setMaximum(10)
->setStep(2);